/*
 * Copyright (c) 2023 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

let count = 0;
function foo(a) {
    count++;
    a--;
    if (a > 0) {
        foo1(a);
        foo2(a);
        foo(a);
    }
}

function foo1(a) {
    foo2(a);
}

function foo2(a) {
    foo(a);
}

foo(3)
print(count)
